Shower filter housing



FIG. 1 is a perspective view of a shower filter housing showing my new design, looking toward the front and top thereof;

FIG. 2 is a front elevational view thereof, the rear and side views thereof being identical to that shown;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a shower filter housing, as shown and described. 